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| 16. | | SILVA, K. R.; ROSADO, A. S.; MARRIEL, I. E.; PAIVA, E.; SELDIN, L. Análise da diversidade genética da população de Paenibacillus na rizosfera de milho plantado em solo de cerrado e de várzea, através de métodos moleculares. In: CONGRESSO BRASILEIRO DE MICROBIOLOGIA, 20., 1999, Salvador. Resumos... Salvador: SBM, 1999. p. 36.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 17. | | MARRIEL, I. E.; SANTOS, C. G.; PAIVA, E.; PARENTONI, S. N.; SELDIN, L. Absorção e incorporação de nitrogênio em plantas de milho inoculadas com Paenibacillus azotofixans, em solução nutritiva. In: CONGRESSO NACIONAL DE MILHO E SORGO, 22., 1998, Recife. Globalização e segurança alimentar: anais. Recife: IPA, 1998. 1 CD-ROM.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 20. | | COELHO, M. R. R.; VOS, M.; CARNEIRO, N. P.; MARRIEL, I. E.; PAIVA, E.; SELDIN, L. Diversidade molecular de bactérias diazotróficas presentes na rizosfera de sorgo plantado em condições contrastantes de adubo nitrogenado. In: CONGRESSO BRASILEIRO DE MICROBIOLOGIA, 24.; SIMPÓSIO BRASILEIRO DE MICROBACTÉRIAS, 12.; SIMPÓSIO DE COLEÇÕES DE CULTURA, 2.; ENCONTRO DE ENSINO EM MICROBIOLOGIA, 4., 2007, Brasília, DF. Anais. [São Paulo]: SBM, 2007. 1 CD-ROM.| Biblioteca(s): Embrapa Milho e Sorgo. |
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Registro Completo
|
Biblioteca(s): |
Embrapa Milho e Sorgo. |
|
Data corrente: |
22/02/2013 |
|
Data da última atualização: |
06/06/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
|
Autoria: |
COTTA, S. R.; DIAS, A. C. F.; MARRIEL, I. E.; GOMES, E. A.; ELSAS, J. D. van; SELDIN, L. |
|
Afiliação: |
IVANILDO EVODIO MARRIEL, CNPMS; ELIANE APARECIDA GOMES, CNPMS. |
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Título: |
Temporal dynamics of microbial communities in the rhizosphere of two genetically modified (GM) maize hybrids in tropical agrosystems. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Antonie van Leeuwenhoek, Dordrecht, v. 103, n. 3, p. 589-601, 2013. |
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DOI: |
10.1007/s10482-012-9843-7 |
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Idioma: |
Inglês |
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Conteúdo: |
The use of genetically modified (GM) plants still raises concerns about their environmental impact. The present study aimed to evaluate the possible effects of GM maize, in comparison to the parental line, on the structure and abundance of microbial communities in the rhizosphere. Moreover, the effect of soil type was addressed. For this purpose, the bacterial and fungal communities associated with the rhizosphere of GM plants were compared by culture-independent methodologies to the near-isogenic parental line. Two different soils and three stages of plant development in two different periods of the year were included. As evidenced by principal components analysis (PCA) of the PCR-DGGE profiles of evaluated community, clear differences occurred in these rhizosphere communities between soils and the periods of the year that maize was cultivated. However, there were no discernible effects of the GM lines as compared to the parental line. For all microbial communities evaluated, soil type and the period of the year that the maize was cultivated were the main factors that influenced their structures. No differences were observed in the abundances of total bacteria between the rhizospheres of GM and parental plant lines. |
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Palavras-Chave: |
PCR-DGGE. |
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Thesagro: |
Milho; Planta transgênica; Rizosfera; Zea mays. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/92024/1/Temporal-dynamics.pdf
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Marc: |
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005 2017-06-06
008 2013 bl uuuu u00u1 u #d
024 7 $a10.1007/s10482-012-9843-7$2DOI
100 1 $aCOTTA, S. R.
245 $aTemporal dynamics of microbial communities in the rhizosphere of two genetically modified (GM) maize hybrids in tropical agrosystems.$h[electronic resource]
260 $c2013
520 $aThe use of genetically modified (GM) plants still raises concerns about their environmental impact. The present study aimed to evaluate the possible effects of GM maize, in comparison to the parental line, on the structure and abundance of microbial communities in the rhizosphere. Moreover, the effect of soil type was addressed. For this purpose, the bacterial and fungal communities associated with the rhizosphere of GM plants were compared by culture-independent methodologies to the near-isogenic parental line. Two different soils and three stages of plant development in two different periods of the year were included. As evidenced by principal components analysis (PCA) of the PCR-DGGE profiles of evaluated community, clear differences occurred in these rhizosphere communities between soils and the periods of the year that maize was cultivated. However, there were no discernible effects of the GM lines as compared to the parental line. For all microbial communities evaluated, soil type and the period of the year that the maize was cultivated were the main factors that influenced their structures. No differences were observed in the abundances of total bacteria between the rhizospheres of GM and parental plant lines.
650 $aMilho
650 $aPlanta transgênica
650 $aRizosfera
650 $aZea mays
653 $aPCR-DGGE
700 1 $aDIAS, A. C. F.
700 1 $aMARRIEL, I. E.
700 1 $aGOMES, E. A.
700 1 $aELSAS, J. D. van
700 1 $aSELDIN, L.
773 $tAntonie van Leeuwenhoek, Dordrecht$gv. 103, n. 3, p. 589-601, 2013.
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